#51917A
Closest named color: Dusty Teal (#4C9085). oklch(60.7% 0.076 168.6), rgb(81, 145, 122).
Aa
Black text reads best on this color (5.68:1).
About this color
#51917A is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.076 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.018 away. Black text reads best on it, at 5.68:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #51917A |
| RGB | rgb(81, 145, 122) |
| HSL | hsl(158, 28%, 44%) |
| OKLCH | oklch(60.7% 0.076 168.6) |
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 #51917A | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #51917A | 5.68:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #51917A text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #51917A text on black | 5.68:1 | AA | Lc -37.3 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#AAC9BC
oklch(80.9% 0.038 168.1)
-
Step 400
400
#7CAD9A
oklch(70.7% 0.059 168.6)
-
Step 500
500 (this color)
#51917A
oklch(60.7% 0.076 168.6)
-
Step 600
600
#3B836B
oklch(55.7% 0.082 168.9)
-
Step 700
700
#2D6F59
oklch(49.2% 0.077 168.4)
-
Step 800
800
#265A49
oklch(42.7% 0.063 169.2)
-
Step 900
900
#254A3D
oklch(37.7% 0.049 168.8)
-
Step 950
950
#162B24
oklch(26.9% 0.03 170.6)
#51917A 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) | #8E8979 | 0.077 |
| Deuteranopia (no green cones) | #84827B | 0.074 |
| Tritanopia (no blue cones) | #3D928A | 0.026 |
| Achromatopsia (no color) | #858585 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51917A
#51917A
oklch(60.7% 0.076 168.6)
- #A5708A
#A5708A
oklch(60.8% 0.075 348.7)
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 #51917A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.018
- Slate Green #658D6D ΔE 0.025
- Ocean Green #3D9973 ΔE 0.033
- Sea #3C9992 ΔE 0.036
- Grey Teal #5E9B8A ΔE 0.037
- Persian Green #2A9D8F ΔE 0.041
- Blue Green #0F9B8E ΔE 0.043
- Green Grey #77926F ΔE 0.044
Use #51917A 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.