#63D799
Closest named color: Emerald (#06D6A0). oklch(79.6% 0.139 157.6), rgb(99, 215, 153).
Aa
Black text reads best on this color (11.71:1).
About this color
#63D799 is a light, moderately saturated green. In OKLCH its lightness is 80%, its chroma 0.139 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.036 away. Black text reads best on it, at 11.71:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.71:1 |
| White text | 1.79:1 |
Values
| HEX | #63D799 |
| RGB | rgb(99, 215, 153) |
| HSL | hsl(148, 59%, 62%) |
| OKLCH | oklch(79.6% 0.139 157.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #63D799 | 1.79:1 | Fails | Lc -37.0 | Non-text elements, placeholder text |
| Black text on #63D799 | 11.71:1 | AAA | Lc 70.9 | Content text, not long reading |
| #63D799 text on white | 1.79:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #63D799 text on black | 11.71:1 | AAA | Lc -69.7 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#ECF9F1
oklch(97% 0.017 159.1)
-
Step 100
100
#D5F3E0
oklch(93.7% 0.04 157.8)
-
Step 200
200
#AFE9C6
oklch(88.5% 0.076 157.9)
-
Step 300
300 (this color)
#63D799
oklch(79.6% 0.139 157.6)
-
Step 400
400
#00BE76
oklch(70.6% 0.166 157.6)
-
Step 500
500
#00A365
oklch(63% 0.148 157.8)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#63D799 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D6C895 | 0.129 |
| Deuteranopia (no green cones) | #C5BD9D | 0.124 |
| Tritanopia (no blue cones) | #3ED6C6 | 0.063 |
| Achromatopsia (no color) | #C1C1C1 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63D799
#63D799
oklch(79.6% 0.139 157.6)
- #F598DC
#F598DC
oklch(79.5% 0.139 337.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63D799, closest first.
No curated palette has a color within ΔE 0.04 of #63D799.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.036
- Medium Aquamarine #66CDAA ΔE 0.042
- Aqua Green #12E193 ΔE 0.044
- Seafoam Blue #78D1B6 ΔE 0.053
- Aqua Marine #2EE8BB ΔE 0.053
- Seaweed #18D17B ΔE 0.058
- Soft Green #6FC276 ΔE 0.060
- Pale Teal #82CBB2 ΔE 0.063
Use #63D799 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.