#63AD91
Closest named color: Greeny Blue (#42B395). oklch(69.1% 0.086 167.5), rgb(99, 173, 145).
Aa
Black text reads best on this color (7.91:1).
About this color
#63AD91 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.086 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.027 away. Black text reads best on it, at 7.91:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.91:1 |
| White text | 2.65:1 |
Values
| HEX | #63AD91 |
| RGB | rgb(99, 173, 145) |
| HSL | hsl(157, 31%, 53%) |
| OKLCH | oklch(69.1% 0.086 167.5) |
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 #63AD91 | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #63AD91 | 7.91:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #63AD91 text on white | 2.65:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #63AD91 text on black | 7.91:1 | AAA | Lc -50.4 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C7E0D5
oklch(88.5% 0.03 167.4)
-
Step 300
300
#A0CCBA
oklch(80.9% 0.053 168.1)
-
Step 400
400 (this color)
#63AD91
oklch(69.1% 0.086 167.5)
-
Step 500
500
#359E7C
oklch(63% 0.109 167.7)
-
Step 600
600
#008866
oklch(55.6% 0.113 167.6)
-
Step 700
700
#007255
oklch(49% 0.1 167.6)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#0C4D3A
oklch(37.6% 0.071 168)
-
Step 950
950
#0B2D22
oklch(26.9% 0.044 168.3)
#63AD91 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) | #AAA490 | 0.087 |
| Deuteranopia (no green cones) | #9E9B93 | 0.084 |
| Tritanopia (no blue cones) | #4DAEA5 | 0.031 |
| Achromatopsia (no color) | #9F9F9F | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AD91
#63AD91
oklch(69.1% 0.086 167.5)
- #C486A6
#C486A6
oklch(69.2% 0.086 347.3)
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 #63AD91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.027
- Tea #65AB7C ΔE 0.028
- Dusty Green #76A973 ΔE 0.040
- Greeny Grey #7EA07A ΔE 0.044
- Dull Teal #5F9E8F ΔE 0.044
- Light Sea Green #20B2AA ΔE 0.047
- Grey Green #86A17D ΔE 0.047
- Faded Green #7BB274 ΔE 0.050
Use #63AD91 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.