#63BC98
Closest named color: Greeny Blue (#42B395). oklch(73% 0.102 165.3), rgb(99, 188, 152).
Aa
Black text reads best on this color (9.17:1).
About this color
#63BC98 is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.102 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.039 away. Black text reads best on it, at 9.17:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 9.17:1 |
| White text | 2.28:1 |
Values
| HEX | #63BC98 |
| RGB | rgb(99, 188, 152) |
| HSL | hsl(156, 40%, 56%) |
| OKLCH | oklch(73% 0.102 165.3) |
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 #63BC98 | 2.28:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #63BC98 | 9.17:1 | AAA | Lc 59.0 | Large or bold text, headings |
| #63BC98 text on white | 2.28:1 | Fails | Lc 45.0 | Non-text elements, placeholder text |
| #63BC98 text on black | 9.17:1 | AAA | Lc -57.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DFEEE7
oklch(93.6% 0.018 166.4)
-
Step 200
200
#C4E1D3
oklch(88.5% 0.036 164.9)
-
Step 300
300
#9ACEB7
oklch(80.9% 0.063 165.8)
-
Step 400
400 (this color)
#63BC98
oklch(73% 0.102 165.3)
-
Step 500
500
#0CA276
oklch(63.2% 0.131 165.2)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#032F20
oklch(27.2% 0.054 164.9)
#63BC98 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) | #B9B196 | 0.102 |
| Deuteranopia (no green cones) | #ABA79A | 0.098 |
| Tritanopia (no blue cones) | #46BCB2 | 0.040 |
| Achromatopsia (no color) | #ABABAB | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63BC98
#63BC98
oklch(73% 0.102 165.3)
- #D68DB6
#D68DB6
oklch(72.9% 0.103 345.2)
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 #63BC98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.039
- Dark Sea Green #8FBC8F ΔE 0.044
- Faded Green #7BB274 ΔE 0.047
- Muted Teal #90B494 ΔE 0.048
- Medium Aquamarine #66CDAA ΔE 0.048
- Topaz #13BBAF ΔE 0.049
- Sage Green #88B378 ΔE 0.049
- Green Blue #01C08D ΔE 0.049
Use #63BC98 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.