#63B975
Closest named color: Boring Green (#63B365). oklch(71.4% 0.129 149), rgb(99, 185, 117).
Aa
Black text reads best on this color (8.72:1).
About this color
#63B975 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.129 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.022 away. Black text reads best on it, at 8.72:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.72:1 |
| White text | 2.40:1 |
Values
| HEX | #63B975 |
| RGB | rgb(99, 185, 117) |
| HSL | hsl(133, 38%, 56%) |
| OKLCH | oklch(71.4% 0.129 149) |
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 #63B975 | 2.40:1 | Fails | Lc -52.2 | Large or bold text, headings |
| Black text on #63B975 | 8.72:1 | AAA | Lc 56.8 | Large or bold text, headings |
| #63B975 text on white | 2.40:1 | Fails | Lc 47.2 | Large or bold text, headings |
| #63B975 text on black | 8.72:1 | AAA | Lc -54.8 | 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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#E0EFE2
oklch(93.7% 0.023 149.4)
-
Step 200
200
#C6E2C9
oklch(88.5% 0.045 148.2)
-
Step 300
300
#9CD0A4
oklch(80.9% 0.082 148.9)
-
Step 400
400 (this color)
#63B975
oklch(71.4% 0.129 149)
-
Step 500
500
#23A44D
oklch(63.2% 0.166 149)
-
Step 600
600
#008B3A
oklch(55.6% 0.157 148.9)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900
#00501F
oklch(37.7% 0.106 149.2)
-
Step 950
950
#062F12
oklch(26.9% 0.069 148.9)
#63B975 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) | #BAAC70 | 0.106 |
| Deuteranopia (no green cones) | #AEA479 | 0.104 |
| Tritanopia (no blue cones) | #54B6A8 | 0.073 |
| Achromatopsia (no color) | #A7A7A7 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B975
#63B975
oklch(71.4% 0.129 149)
- #CF84CA
#CF84CA
oklch(71.4% 0.129 329.2)
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 #63B975, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.022
- Dark Mint #48C072 ΔE 0.028
- Faded Green #7BB274 ΔE 0.029
- Soft Green #6FC276 ΔE 0.029
- Medium Sea Green #3CB371 ΔE 0.036
- Dark Mint Green #20C073 ΔE 0.041
- Turtle Green #75B84F ΔE 0.042
- Sage Green #88B378 ΔE 0.042
Use #63B975 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.