#617B1E
Closest named color: Olive Green (#677A04). oklch(54.4% 0.121 124.2), rgb(97, 123, 30).
Aa
White text reads best on this color (4.81:1).
About this color
#617B1E is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 54%, its chroma 0.121 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.012 away. White text reads best on it, at 4.81:1.
| Hue family | Yellows |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.36:1 |
| White text | 4.81:1 |
Values
| HEX | #617B1E |
| RGB | rgb(97, 123, 30) |
| HSL | hsl(77, 61%, 30%) |
| OKLCH | oklch(54.4% 0.121 124.2) |
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 #617B1E | 4.81:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #617B1E | 4.36:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #617B1E text on white | 4.81:1 | AA | Lc 73.3 | Content text, not long reading |
| #617B1E text on black | 4.36:1 | AA large text | Lc -28.4 | Dividers and decoration only |
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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D5DDC7
oklch(88.5% 0.031 123.3)
-
Step 300
300
#B9C7A1
oklch(80.9% 0.054 124)
-
Step 400
400
#95AA6D
oklch(70.7% 0.087 124)
-
Step 500
500
#7B9545
oklch(63.2% 0.111 124.4)
-
Step 600
600 (this color)
#617B1E
oklch(54.4% 0.121 124.2)
-
Step 700
700
#536B14
oklch(49.1% 0.113 124.4)
-
Step 800
800
#445715
oklch(42.7% 0.093 124.3)
-
Step 900
900
#394819
oklch(37.7% 0.073 124.7)
-
Step 950
950
#222A10
oklch(27% 0.045 123.5)
#617B1E 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) | #82730C | 0.051 |
| Deuteranopia (no green cones) | #7F7226 | 0.053 |
| Tritanopia (no blue cones) | #667569 | 0.099 |
| Achromatopsia (no color) | #727272 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617B1E
#617B1E
oklch(54.4% 0.121 124.2)
- #7F5CA8
#7F5CA8
oklch(54.3% 0.12 303.9)
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 #617B1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.012
- Murky Green #6C7A0E ΔE 0.015
- Military Green #667C3E ΔE 0.031
- Muddy Green #657432 ΔE 0.032
- Swamp #698339 ΔE 0.033
- Swamp Green #748500 ΔE 0.043
- Browny Green #6F6C0A ΔE 0.044
- Brown Green #706C11 ΔE 0.045
Use #617B1E 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.