#51906A
Closest named color: Slate Green (#658D6D). oklch(60% 0.088 156.1), rgb(81, 144, 106).
Aa
Black text reads best on this color (5.54:1).
About this color
#51906A is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.088 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.024 away. Black text reads best on it, at 5.54:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #51906A |
| RGB | rgb(81, 144, 106) |
| HSL | hsl(144, 28%, 44%) |
| OKLCH | oklch(60% 0.088 156.1) |
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 #51906A | 3.78:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #51906A | 5.54:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #51906A text on white | 3.78:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #51906A text on black | 5.54:1 | AA | Lc -36.4 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CDDED3
oklch(88.5% 0.024 157.5)
-
Step 300
300
#ABC9B5
oklch(80.8% 0.043 156.1)
-
Step 400
400
#7DAE8F
oklch(70.7% 0.069 156.4)
-
Step 500
500 (this color)
#51906A
oklch(60% 0.088 156.1)
-
Step 600
600
#3E845B
oklch(55.6% 0.096 155.7)
-
Step 700
700
#2F704B
oklch(49.2% 0.09 155.9)
-
Step 800
800
#285B3E
oklch(42.7% 0.074 156.4)
-
Step 900
900
#264B35
oklch(37.8% 0.057 156.2)
-
Step 950
950
#172C1F
oklch(27.1% 0.037 155.9)
#51906A 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) | #8F8768 | 0.080 |
| Deuteranopia (no green cones) | #86806C | 0.079 |
| Tritanopia (no blue cones) | #438F86 | 0.043 |
| Achromatopsia (no color) | #838383 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51906A
#51906A
oklch(60% 0.088 156.1)
- #A26C94
#A26C94
oklch(60.1% 0.088 336.6)
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 #51906A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.024
- Ocean Green #3D9973 ΔE 0.027
- Light Forest Green #4F9153 ΔE 0.033
- Dark Sage #598556 ΔE 0.035
- Viridian #1E9167 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.040
- Sea Green #2E8B57 ΔE 0.044
- Green Grey #77926F ΔE 0.046
Use #51906A 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.