#649978
Closest named color: Grey Teal (#5E9B8A). oklch(63.6% 0.075 156.2), rgb(100, 153, 120).
Aa
Black text reads best on this color (6.36:1).
About this color
#649978 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.075 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.025 away. Black text reads best on it, at 6.36:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.36:1 |
| White text | 3.29:1 |
Values
| HEX | #649978 |
| RGB | rgb(100, 153, 120) |
| HSL | hsl(143, 21%, 50%) |
| OKLCH | oklch(63.6% 0.075 156.2) |
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 #649978 | 3.29:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #649978 | 6.36:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #649978 text on white | 3.29:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #649978 text on black | 6.36:1 | AA | Lc -41.5 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CFDDD4
oklch(88.4% 0.019 157.8)
-
Step 300
300
#AEC8B7
oklch(80.9% 0.037 156.8)
-
Step 400
400
#83AC91
oklch(70.7% 0.059 155.7)
-
Step 500
500 (this color)
#649978
oklch(63.6% 0.075 156.2)
-
Step 600
600
#48825F
oklch(55.7% 0.082 156)
-
Step 700
700
#396E4E
oklch(49.2% 0.077 155.7)
-
Step 800
800
#305940
oklch(42.6% 0.063 155.8)
-
Step 900
900
#2B4937
oklch(37.6% 0.048 156.9)
-
Step 950
950
#192B20
oklch(26.9% 0.032 156.7)
#649978 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) | #989176 | 0.069 |
| Deuteranopia (no green cones) | #908B7A | 0.068 |
| Tritanopia (no blue cones) | #5A9890 | 0.037 |
| Achromatopsia (no color) | #8E8E8E | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649978
#649978
oklch(63.6% 0.075 156.2)
- #A97A9C
#A97A9C
oklch(63.7% 0.075 336.9)
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 #649978, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.025
- Green Grey #77926F ΔE 0.027
- Dull Teal #5F9E8F ΔE 0.031
- Slate Green #658D6D ΔE 0.034
- Ocean Green #3D9973 ΔE 0.037
- Greeny Grey #7EA07A ΔE 0.039
- Moss #769958 ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.045
Use #649978 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.