#63A753
Closest named color: Fern (#63A950). oklch(66.3% 0.137 139.8), rgb(99, 167, 83).
Aa
Black text reads best on this color (7.18:1).
About this color
#63A753 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.137 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.008 away. Black text reads best on it, at 7.18:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.18:1 |
| White text | 2.92:1 |
Values
| HEX | #63A753 |
| RGB | rgb(99, 167, 83) |
| HSL | hsl(109, 34%, 49%) |
| OKLCH | oklch(66.3% 0.137 139.8) |
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 #63A753 | 2.92:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #63A753 | 7.18:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #63A753 text on white | 2.92:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #63A753 text on black | 7.18:1 | AAA | Lc -46.3 | 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 500.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CDE0C8
oklch(88.6% 0.038 139.2)
-
Step 300
300
#AACCA3
oklch(80.9% 0.067 140.3)
-
Step 400
400
#7CB170
oklch(70.7% 0.107 139.9)
-
Step 500
500 (this color)
#63A753
oklch(66.3% 0.137 139.8)
-
Step 600
600
#3D8729
oklch(55.6% 0.148 139.7)
-
Step 700
700
#2E721B
oklch(49% 0.138 139.8)
-
Step 800
800
#285D1A
oklch(42.7% 0.113 139.8)
-
Step 900
900
#254D1C
oklch(37.8% 0.09 140.1)
-
Step 950
950
#162D11
oklch(27% 0.057 140.1)
#63A753 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) | #AB9B4C | 0.094 |
| Deuteranopia (no green cones) | #A19559 | 0.093 |
| Tritanopia (no blue cones) | #5EA294 | 0.093 |
| Achromatopsia (no color) | #979797 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A753
#63A753
oklch(66.3% 0.137 139.8)
- #B776C7
#B776C7
oklch(66.3% 0.136 319.5)
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 #63A753, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.008
- Off Green #6BA353 ΔE 0.013
- Dark Pastel Green #56AE57 ΔE 0.021
- Muted Green #5FA052 ΔE 0.021
- Mid Green #50A747 ΔE 0.024
- Algae #54AC68 ΔE 0.024
- Asparagus #77AB56 ΔE 0.026
- Flat Green #699D4C ΔE 0.027
Use #63A753 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.