#639746
Closest named color: Flat Green (#699D4C). oklch(62.1% 0.126 135.6), rgb(99, 151, 70).
Aa
Black text reads best on this color (6.04:1).
About this color
#639746 is a medium-light, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.126 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.020 away. Black text reads best on it, at 6.04:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.04:1 |
| White text | 3.47:1 |
Values
| HEX | #639746 |
| RGB | rgb(99, 151, 70) |
| HSL | hsl(99, 37%, 43%) |
| OKLCH | oklch(62.1% 0.126 135.6) |
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 #639746 | 3.47:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #639746 | 6.04:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #639746 text on white | 3.47:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #639746 text on black | 6.04:1 | AA | Lc -39.5 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE1
oklch(93.7% 0.018 134.9)
-
Step 200
200
#CFDFC8
oklch(88.5% 0.035 136)
-
Step 300
300
#AFCAA3
oklch(80.8% 0.061 136.1)
-
Step 400
400
#85AF70
oklch(70.8% 0.099 135.6)
-
Step 500
500 (this color)
#639746
oklch(62.1% 0.126 135.6)
-
Step 600
600
#4D8429
oklch(55.5% 0.136 135.3)
-
Step 700
700
#3D701B
oklch(49.1% 0.128 135.6)
-
Step 800
800
#335B1A
oklch(42.6% 0.104 135.6)
-
Step 900
900
#2D4B1C
oklch(37.7% 0.081 135.7)
-
Step 950
950
#1B2C11
oklch(27% 0.052 135.1)
#639746 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) | #9C8C3F | 0.079 |
| Deuteranopia (no green cones) | #94884B | 0.078 |
| Tritanopia (no blue cones) | #629285 | 0.090 |
| Achromatopsia (no color) | #8A8A8A | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #639746
#639746
oklch(62.1% 0.126 135.6)
- #A36DB9
#A36DB9
oklch(62% 0.125 315.7)
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 #639746, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.020
- Muted Green #5FA052 ΔE 0.025
- Drab Green #749551 ΔE 0.027
- Olive Drab #6B8E23 ΔE 0.032
- Light Forest Green #4F9153 ΔE 0.033
- Moss Green #658B38 ΔE 0.034
- Moss #769958 ΔE 0.034
- Fern Green #548D44 ΔE 0.036
Use #639746 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.