#63D992
Closest named color: Aqua Green (#12E193). oklch(79.9% 0.148 154.6), rgb(99, 217, 146).
Aa
Black text reads best on this color (11.87:1).
About this color
#63D992 is a light, vivid green. In OKLCH its lightness is 80%, its chroma 0.148 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.036 away. Black text reads best on it, at 11.87:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 11.87:1 |
| White text | 1.76:1 |
Values
| HEX | #63D992 |
| RGB | rgb(99, 217, 146) |
| HSL | hsl(144, 61%, 62%) |
| OKLCH | oklch(79.9% 0.148 154.6) |
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 #63D992 | 1.76:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #63D992 | 11.87:1 | AAA | Lc 71.6 | Content text, not long reading |
| #63D992 text on white | 1.76:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #63D992 text on black | 11.87:1 | AAA | Lc -70.5 | 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
#ECFAF0
oklch(97.2% 0.02 154.9)
-
Step 100
100
#D5F3DD
oklch(93.6% 0.043 153.7)
-
Step 200
200
#AEEAC1
oklch(88.5% 0.083 154.5)
-
Step 300
300 (this color)
#63D992
oklch(79.9% 0.148 154.6)
-
Step 400
400
#00BF6D
oklch(70.7% 0.176 154.8)
-
Step 500
500
#00A45C
oklch(63.1% 0.158 154.5)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#004F2A
oklch(37.6% 0.093 154.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#63D992 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) | #D9CA8E | 0.132 |
| Deuteranopia (no green cones) | #C8BE96 | 0.129 |
| Tritanopia (no blue cones) | #40D7C6 | 0.073 |
| Achromatopsia (no color) | #C3C3C3 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63D992
#63D992
oklch(79.9% 0.148 154.6)
- #F797E4
#F797E4
oklch(79.9% 0.149 334.5)
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 #63D992, closest first.
No curated palette has a color within ΔE 0.04 of #63D992.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.036
- Emerald #06D6A0 ΔE 0.040
- Weird Green #3AE57F ΔE 0.052
- Seaweed #18D17B ΔE 0.054
- Medium Aquamarine #66CDAA ΔE 0.054
- Aqua Marine #2EE8BB ΔE 0.055
- Soft Green #6FC276 ΔE 0.062
- Seafoam Blue #78D1B6 ΔE 0.064
Use #63D992 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.