#478E6F
Closest named color: Slate Green (#658D6D). oklch(59.1% 0.087 163.3), rgb(71, 142, 111).
Aa
Black text reads best on this color (5.36:1).
About this color
#478E6F is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.087 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.030 away. Black text reads best on it, at 5.36:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #478E6F |
| RGB | rgb(71, 142, 111) |
| HSL | hsl(154, 33%, 42%) |
| OKLCH | oklch(59.1% 0.087 163.3) |
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 #478E6F | 3.91:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #478E6F | 5.36:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #478E6F text on white | 3.91:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #478E6F text on black | 5.36:1 | AA | Lc -35.3 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#ABC9BA
oklch(80.9% 0.038 163.8)
-
Step 400
400
#7CAD96
oklch(70.6% 0.062 164.1)
-
Step 500
500
#59997C
oklch(63.1% 0.08 163.4)
-
Step 600
600 (this color)
#478E6F
oklch(59.1% 0.087 163.3)
-
Step 700
700
#2D6F54
oklch(49.1% 0.081 163.7)
-
Step 800
800
#275A45
oklch(42.6% 0.066 164.2)
-
Step 900
900
#254A3A
oklch(37.6% 0.051 164)
-
Step 950
950
#162C22
oklch(27.1% 0.034 163.4)
#478E6F 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) | #8C856D | 0.085 |
| Deuteranopia (no green cones) | #817E71 | 0.081 |
| Tritanopia (no blue cones) | #308E85 | 0.035 |
| Achromatopsia (no color) | #818181 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478E6F
#478E6F
oklch(59.1% 0.087 163.3)
- #A2688B
#A2688B
oklch(59.1% 0.088 343.2)
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 #478E6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.030
- Viridian #1E9167 ΔE 0.032
- Ocean Green #3D9973 ΔE 0.032
- Dusty Teal #4C9085 ΔE 0.033
- Dark Sage #598556 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.042
- Blue Green #0F9B8E ΔE 0.050
Use #478E6F 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.