#63A445
Closest named color: Fern (#63A950). oklch(65.4% 0.145 136.9), rgb(99, 164, 69).
Aa
Black text reads best on this color (6.92:1).
About this color
#63A445 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.145 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.016 away. Black text reads best on it, at 6.92:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 6.92:1 |
| White text | 3.03:1 |
Values
| HEX | #63A445 |
| RGB | rgb(99, 164, 69) |
| HSL | hsl(101, 41%, 46%) |
| OKLCH | oklch(65.4% 0.145 136.9) |
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 #63A445 | 3.03:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #63A445 | 6.92:1 | AA | Lc 47.1 | Large or bold text, headings |
| #63A445 text on white | 3.03:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #63A445 text on black | 6.92:1 | AA | Lc -44.9 | Non-text elements, placeholder text |
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
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CDE0C6
oklch(88.5% 0.041 137.2)
-
Step 300
300
#ABCC9F
oklch(80.9% 0.071 137.4)
-
Step 400
400
#7EB169
oklch(70.7% 0.114 137)
-
Step 500
500 (this color)
#63A445
oklch(65.4% 0.145 136.9)
-
Step 600
600
#418716
oklch(55.6% 0.158 136.9)
-
Step 700
700
#327203
oklch(49% 0.147 136.9)
-
Step 800
800
#2A5D0B
oklch(42.6% 0.122 137)
-
Step 900
900
#274D14
oklch(37.8% 0.096 137)
-
Step 950
950
#172D0D
oklch(27% 0.061 137.1)
#63A445 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) | #A9983B | 0.092 |
| Deuteranopia (no green cones) | #A0924C | 0.093 |
| Tritanopia (no blue cones) | #609F8F | 0.101 |
| Achromatopsia (no color) | #949494 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A445
#63A445
oklch(65.4% 0.145 136.9)
- #B371CA
#B371CA
oklch(65.2% 0.145 316.9)
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 #63A445, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.016
- Mid Green #50A747 ΔE 0.018
- Off Green #6BA353 ΔE 0.020
- Muted Green #5FA052 ΔE 0.021
- Flat Green #699D4C ΔE 0.024
- Dark Pastel Green #56AE57 ΔE 0.029
- Leaf #71AA34 ΔE 0.029
- Grass #5CAC2D ΔE 0.035
Use #63A445 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.