#63B774
Closest named color: Boring Green (#63B365). oklch(70.9% 0.127 148.9), rgb(99, 183, 116).
Aa
Black text reads best on this color (8.55:1).
About this color
#63B774 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.127 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 0.019 away. Black text reads best on it, at 8.55:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.55:1 |
| White text | 2.45:1 |
Values
| HEX | #63B774 |
| RGB | rgb(99, 183, 116) |
| HSL | hsl(132, 37%, 55%) |
| OKLCH | oklch(70.9% 0.127 148.9) |
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 #63B774 | 2.45:1 | Fails | Lc -53.1 | Large or bold text, headings |
| Black text on #63B774 | 8.55:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #63B774 text on white | 2.45:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #63B774 text on black | 8.55:1 | AAA | Lc -53.9 | 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
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C6E2C9
oklch(88.5% 0.045 148.2)
-
Step 300
300
#9DCFA5
oklch(80.8% 0.079 149.2)
-
Step 400
400 (this color)
#63B774
oklch(70.9% 0.127 148.9)
-
Step 500
500
#28A34E
oklch(63.1% 0.162 148.9)
-
Step 600
600
#008B3A
oklch(55.6% 0.157 148.9)
-
Step 700
700
#00752F
oklch(49.1% 0.139 148.8)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900
#01501E
oklch(37.7% 0.106 148.7)
-
Step 950
950
#072F13
oklch(27% 0.067 149.3)
#63B774 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) | #B8AA6F | 0.105 |
| Deuteranopia (no green cones) | #ACA278 | 0.103 |
| Tritanopia (no blue cones) | #54B4A6 | 0.072 |
| Achromatopsia (no color) | #A5A5A5 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B774
#63B774
oklch(70.9% 0.127 148.9)
- #CD83C8
#CD83C8
oklch(70.9% 0.128 329.2)
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 #63B774, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.019
- Faded Green #7BB274 ΔE 0.026
- Dark Mint #48C072 ΔE 0.032
- Medium Sea Green #3CB371 ΔE 0.033
- Soft Green #6FC276 ΔE 0.035
- Algae #54AC68 ΔE 0.037
- Dark Seafoam Green #3EAF76 ΔE 0.039
- Tea #65AB7C ΔE 0.040
Use #63B774 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.